EP0523651A3 - Method for making high strength injection molded ferrous material - Google Patents

Method for making high strength injection molded ferrous material Download PDF

Info

Publication number
EP0523651A3
EP0523651A3 EP19920112061 EP92112061A EP0523651A3 EP 0523651 A3 EP0523651 A3 EP 0523651A3 EP 19920112061 EP19920112061 EP 19920112061 EP 92112061 A EP92112061 A EP 92112061A EP 0523651 A3 EP0523651 A3 EP 0523651A3
Authority
EP
European Patent Office
Prior art keywords
high strength
injection molded
ferrous material
making high
strength injection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19920112061
Other versions
EP0523651A2 (en
EP0523651B1 (en
Inventor
Koshiro Ueda
Hiroshi Sawaguchi
Tohru Kohno
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Materials Corp
Original Assignee
Mitsubishi Materials Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Materials Corp filed Critical Mitsubishi Materials Corp
Publication of EP0523651A2 publication Critical patent/EP0523651A2/en
Publication of EP0523651A3 publication Critical patent/EP0523651A3/en
Application granted granted Critical
Publication of EP0523651B1 publication Critical patent/EP0523651B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/22—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip
    • B22F3/225—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip by injection molding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/10—Sintering only
    • B22F3/1017—Multiple heating or additional steps
    • B22F3/1021—Removal of binder or filler
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/02—Making ferrous alloys by powder metallurgy
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
    • H01L21/48—Manufacture or treatment of parts, e.g. containers, prior to assembly of the devices, using processes not provided for in a single one of the subgroups H01L21/06 - H01L21/326
    • H01L21/4803—Insulating or insulated parts, e.g. mountings, containers, diamond heatsinks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Powder Metallurgy (AREA)
  • Soft Magnetic Materials (AREA)
  • Producing Shaped Articles From Materials (AREA)
EP92112061A 1991-07-15 1992-07-15 Method for making high strength injection molded ferrous material Expired - Lifetime EP0523651B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP200113/91 1991-07-15
JP3200113A JPH0521220A (en) 1991-07-15 1991-07-15 Method for producing injection-molded pure iron-sintered soft magnetic material with high residual magnetic flux density

Publications (3)

Publication Number Publication Date
EP0523651A2 EP0523651A2 (en) 1993-01-20
EP0523651A3 true EP0523651A3 (en) 1993-04-21
EP0523651B1 EP0523651B1 (en) 1997-03-05

Family

ID=16419048

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92112061A Expired - Lifetime EP0523651B1 (en) 1991-07-15 1992-07-15 Method for making high strength injection molded ferrous material

Country Status (7)

Country Link
US (1) US5277867A (en)
EP (1) EP0523651B1 (en)
JP (1) JPH0521220A (en)
KR (1) KR930002024A (en)
CN (1) CN1030290C (en)
DE (1) DE69217753D1 (en)
MY (1) MY107712A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5988689A (en) * 1997-12-26 1999-11-23 Central Plastics Company Heat-shrinkable electrofusion fittings and methods
JP2002098599A (en) * 2000-09-27 2002-04-05 Toyoda Mach Works Ltd Torque sensor
JP4483880B2 (en) * 2007-03-15 2010-06-16 セイコーエプソン株式会社 Molded body forming composition, degreased body and sintered body
DE102009039102B4 (en) * 2009-08-27 2022-01-27 Wdt-Wolz-Dental-Technik Gmbh Process for the production of tooth parts from dental metal powder
DE102013010237A1 (en) * 2013-06-18 2014-12-18 Elino Industrie-Ofenbau Gmbh Method and apparatus for debinding and sintering parts
CN104043835A (en) * 2014-06-03 2014-09-17 宝得粉末注射成形（常熟）有限公司 Processing method for presser foot control cam for computerized flat knitting machines
CN105733499B (en) * 2016-01-29 2018-05-11 合肥工业大学 One kind is used for injection molding binding agent constituent element of high duty metal and preparation method thereof
KR102326946B1 (en) 2020-10-15 2021-11-16 이남호 Piece type ssamjang and manufacturing method of the same

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0324122A1 (en) * 1987-12-14 1989-07-19 Kawasaki Steel Corporation Starting material for injection molding of metal powder and method of producing sintered parts
EP0379777A1 (en) * 1989-01-20 1990-08-01 Kawasaki Steel Corporation Method of debinding for injection molded objects
EP0379583A1 (en) * 1988-05-30 1990-08-01 Kawasaki Steel Corporation SINTERED MAGNETIC Fe-Co MATERIAL AND PROCESS FOR ITS PRODUCTION

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3411902A (en) * 1968-01-22 1968-11-19 Mallory & Co Inc P R Method of producing infiltrated contact material
US4492671A (en) * 1982-03-15 1985-01-08 Leland Stanford Junior University Method for consolidation of iron-based alloy powder by cyclic phase transformation under pressure
DE3587977T2 (en) * 1984-02-28 1995-05-18 Sumitomo Spec Metals Permanent magnets.
US4885133A (en) * 1986-01-14 1989-12-05 Sumitomo Electric Industries, Ltd. Wear-resistant sintered iron-based alloy and process for producing the same
JPH0394045A (en) * 1989-09-06 1991-04-18 Brother Ind Ltd Low expansion sintered alloy molded article

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0324122A1 (en) * 1987-12-14 1989-07-19 Kawasaki Steel Corporation Starting material for injection molding of metal powder and method of producing sintered parts
EP0379583A1 (en) * 1988-05-30 1990-08-01 Kawasaki Steel Corporation SINTERED MAGNETIC Fe-Co MATERIAL AND PROCESS FOR ITS PRODUCTION
EP0379777A1 (en) * 1989-01-20 1990-08-01 Kawasaki Steel Corporation Method of debinding for injection molded objects

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Derwent Publications Ltd., London, GB; AN 91-159582 & JP-A-3 094 045 (BROTHER IND KK) 18 April 1991 *

Also Published As

Publication number Publication date
JPH0521220A (en) 1993-01-29
EP0523651A2 (en) 1993-01-20
KR930002024A (en) 1993-02-22
CN1030290C (en) 1995-11-22
CN1070601A (en) 1993-04-07
EP0523651B1 (en) 1997-03-05
MY107712A (en) 1996-05-30
DE69217753D1 (en) 1997-04-10
US5277867A (en) 1994-01-11

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